O-Aminohydroxamic acids

The action of nitrous acid on o-aminohydroxamic acids gave products that are believed39 to be triazine hydroxamic acids, e.g., 28. These gave a red color with ferric chloride, and 28 was converted by sodium hydroxide into o-azidobenzoic acid (29). 

Cyclic hydroxamic acids from o-aminohydroxamic acids... 

Some interesting transformations were described for N-substituted A-ary I hydroxyl -amines. The a-aminohydroxamic acids 180 rearranged in the presence of amines to give A - acy lo x y ary I am i n es 181 (N O transacylation)273 (equation 71). 

Aminohalides s. Halogenamines N-Amino-N-heterocyclics N-deamination 26, 480 reactions with lead tetraacetate 26,480 o-Amino-N-heterocyclics ring closures with - 13, 535 a-Aminohydroxamic acids... 

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